feat: new built-in aggregate function median

[wuxiaobai24]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  Add a new build-in aggregate function median.

• What is the current behavior? (You can also link to an open issue here)
  It should resolve feat: new built-in aggregate function median #1960

• What is the new behavior (if this is a feature change)?
  a new build-in aggregate function median.

[github-actions]

SDK Test Report

  75 files    75 suites   6m 16s ⏱️
163 tests 161 ✔️ 2 💤 0 ❌
204 runs  202 ✔️ 2 💤 0 ❌

Results for commit 53053fa.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #2030 (53053fa) into main (af0272c) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #2030      +/-   ##
============================================
+ Coverage     75.57%   75.59%   +0.01%     
  Complexity      347      347              
============================================
  Files           609      609              
  Lines        116409   116463      +54     
  Branches       1015     1015              
============================================
+ Hits          87974    88036      +62     
+ Misses        28226    28218       -8     
  Partials        209      209              

Impacted Files	Coverage Δ
hybridse/src/udf/default_udf_library.cc	96.83% <100.00%> (+0.13%)	⬆️
hybridse/src/udf/default_udf_library_test.cc	100.00% <100.00%> (ø)
hybridse/src/udf/udaf_test.cc	100.00% <100.00%> (ø)
...s/query_response_time/deploy_query_response_time.h	81.25% <0.00%> (-18.75%)	⬇️
...atistics/query_response_time/query_response_time.h	78.26% <0.00%> (-4.35%)	⬇️
src/rpc/rpc_client.h	85.13% <0.00%> (-4.06%)	⬇️
.../query_response_time/deploy_query_response_time.cc	97.10% <0.00%> (-2.90%)	⬇️
src/zk/dist_lock.cc	81.81% <0.00%> (-1.52%)	⬇️
src/zk/zk_client_test.cc	98.86% <0.00%> (-1.14%)	⬇️
src/catalog/tablet_catalog.cc	70.77% <0.00%> (-0.81%)	⬇️
... and 9 more

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[github-actions]

HybridSE Linux Test Report

19 100 tests   19 098 ✔️  6m 0s ⏱️
     235 suites           2 💤
       67 files             0 ❌

Results for commit 53053fa.

♻️ This comment has been updated with latest results.

[github-actions]

HybridSE Mac Test Report

19 100 tests   19 098 ✔️  6m 29s ⏱️
     235 suites           2 💤
       67 files             0 ❌

Results for commit 53053fa.

♻️ This comment has been updated with latest results.

[github-actions]

Linux Test Report

       54 files       196 suites   51m 27s ⏱️
  9 003 tests   8 999 ✔️ 4 💤 0 ❌
13 254 runs  13 250 ✔️ 4 💤 0 ❌

Results for commit 53053fa.

♻️ This comment has been updated with latest results.

[zhanghaohit]

LGTM. Thanks @wuxiaobai24 for the contribution!